1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <cstddef>
17 #include <cstdint>
18 #include <parcel.h>
19 #include <securec.h>
20
21 #include <iremote_stub.h>
22 #include "message_option.h"
23 #include "message_parcel.h"
24 #include "marshalling_helper.h"
25 #include "window_extension_interface.h"
26 #include "window_extension_stub.h"
27 #include "window_extension_stub_impl.h"
28 #include "windowextensionstub_fuzzer.h"
29
30 using namespace OHOS::Rosen;
31
32 namespace OHOS {
33 namespace {
34 constexpr size_t DATA_MIN_SIZE = 2;
35 }
36
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)37 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
38 {
39 if (data == nullptr || size < DATA_MIN_SIZE) {
40 return false;
41 }
42
43 MessageParcel parcel;
44 MessageParcel reply;
45 MessageOption option;
46
47 parcel.WriteInterfaceToken(WindowExtensionStub::GetDescriptor());
48 parcel.WriteBuffer(data, size);
49
50 sptr<WindowExtensionStubImpl> extensionStub = new (std::nothrow) WindowExtensionStubImpl("windowName");
51 if (extensionStub == nullptr) {
52 return false;
53 }
54 parcel.RewindRead(0);
55 extensionStub->OnRemoteRequest(
56 static_cast<uint32_t>(IWindowExtension::TRANS_ID_SETBOUNDS),
57 parcel, reply, option);
58 parcel.RewindRead(0);
59 extensionStub->OnRemoteRequest(
60 static_cast<uint32_t>(IWindowExtension::TRANS_ID_HIDE_WINDOW),
61 parcel, reply, option);
62 parcel.RewindRead(0);
63 extensionStub->OnRemoteRequest(
64 static_cast<uint32_t>(IWindowExtension::TRANS_ID_SHOW_WINDOW),
65 parcel, reply, option);
66 parcel.RewindRead(0);
67 extensionStub->OnRemoteRequest(
68 static_cast<uint32_t>(IWindowExtension::TRANS_ID_REQUESTFOCUS),
69 parcel, reply, option);
70 parcel.RewindRead(0);
71 extensionStub->OnRemoteRequest(
72 static_cast<uint32_t>(IWindowExtension::TRANS_ID_CONNECT_TO_EXTENSION),
73 parcel, reply, option);
74 return true;
75 }
76 } // namespace.OHOS
77
78 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)79 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
80 {
81 /* Run your code on data */
82 OHOS::DoSomethingInterestingWithMyAPI(data, size);
83 return 0;
84 }